Answer:
- 3y
Step-by-step explanation:

Hope this helps
Answer:
D
Step-by-step explanation:
Answer:
2.104
Step-by-step explanation:
Data provided in the question:
For sample 1,
n₁ = 110
μ₁ = 94
s₁ = 14
For sample 2,
n₂ = 85
μ₂ = 72
s₂ = 15
Now,
Standard error = 
or
Standard error = 
or
Standard error = √4.43
or
Standard error = 2.104
Hello,
x²+6x-7=0
==>x²+2*3x+3²-9-7=0
==>(x+3)²-16=0
Answer D